WO2016190241A1 - 防汚塗料組成物、防汚塗膜、防汚基材、防汚基材の製造方法および防汚塗料組成物の貯蔵方法 - Google Patents
防汚塗料組成物、防汚塗膜、防汚基材、防汚基材の製造方法および防汚塗料組成物の貯蔵方法 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/50—1,3-Diazoles; Hydrogenated 1,3-diazoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
- A01N55/02—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur containing metal atoms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
- A01N55/08—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur containing boron
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
- A01N59/20—Copper
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
Definitions
- the present invention relates to an antifouling coating composition and use thereof, and more specifically, an antifouling agent that contains a silyl ester-based (co) polymer as a film-forming component and can be used to prevent substrate contamination by aquatic organisms.
- the present invention relates to a coating composition, an antifouling coating film using the antifouling coating composition, an antifouling substrate, a method for producing the antifouling substrate, and a method for storing the antifouling coating composition.
- antifouling paints for ships, underwater structures, etc. which are intended to prevent fouling caused by aquatic organisms in the sea, include hydrolyzable resins for imparting film renewability to antifouling paints, A method of combining antifouling agents having the above physiological activity is widely used.
- hydrolyzable resin a silyl ester copolymer is widely used as a resin having particularly suitable renewability.
- JP-T-2002-535255 shows that medetomidine is useful as a drug for preventing marine organism contamination on a solid surface.
- WO 2011/118526 Patent Document 2 combines these, and an antifouling paint composition that exhibits excellent antifouling performance even in marine areas exposed to high fouling loads, ships under navigation conditions, underwater structures, etc.
- a coating composition containing a silyl ester copolymer having a structural unit derived from triisopropylsilyl acrylate and medetomidine is also disclosed (Examples 10 and 11).
- the antifouling paint composition disclosed in Patent Document 2 has a unique paint viscosity presumed to be accompanied by decomposition of the silyl ester copolymer by coexistence of the silyl ester copolymer and medetomidine. It has been found that there is a problem that it is difficult to stably store the coating composition for a long period of time due to the rise or solidification of the coating.
- the present invention is an antifouling paint composition used for preventing the substrate from being damaged by aquatic organisms, comprising a silyl ester-based (co) polymer and medetomidine,
- An object of the present invention is to provide an antifouling coating composition that can form an antifouling coating film exhibiting excellent antifouling properties over a long period of time and has good storage stability, and uses thereof.
- an antifouling coating composition containing a silyl ester (co) polymer and medetomidine may contain silyl methacrylate as the silyl ester (co) polymer.
- the present inventors have found that the storage stability can be improved and have completed the present invention.
- the gist of the present invention is as follows.
- silyl ester-based (co) polymer (A) is represented by the general formula (I): R 1 —CH ⁇ C (CH 3 ) —COO— (SiR 2 R 3 O) n —SiR 4 R 5 R 6 ...
- R 2 , R 3 , R 4 , R 5 and R 6 are each independently a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom
- R 1 is a hydrogen atom or R 7 —O—C ⁇ O
- R 7 is a hydrogen atom, a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom
- R 8 R 9 R 10 Si wherein R 8 , R 9 and R 10 are each independently a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom.
- n is 0 or an integer of 1 or more.
- An antifouling paint composition having a structural unit derived from the monomer (a) represented by
- silyl ester-based (co) polymer (A) further has a structural unit derived from an unsaturated monomer (b) capable of copolymerizing with the monomer (a).
- the antifouling paint composition as described in any one of the above.
- the unsaturated monomer (b) is alkyl (meth) acrylate, phenyl (meth) acrylate, benzyl (meth) acrylate, alkoxyalkyl (meth) acrylate, hydroxyalkyl (meth) acrylate, metal ester group-containing (meth) Acrylate, organosiloxane group-containing (meth) acrylate, and general formula (II): R 11 —CH ⁇ CH—COO— (SiR 12 R 13 O) n —SiR 14 R 15 R 16 ...
- R 12 , R 13 , R 14 , R 15 and R 16 are each independently a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom
- R 11 is a hydrogen atom or R 17 —O—C ⁇ O
- R 17 is a hydrogen atom, a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom
- R 18 R 19 R 20 Si wherein R 18 , R 19 and R 20 each independently represents a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom.
- n is 0 or an integer of 1 or more.
- the antifouling coating composition according to the above [3] which contains at least one unsaturated monomer selected from the group consisting of monomers represented by the formula:
- Antifouling agent (C) other than medetomidine (B) is cuprous oxide, rhodan copper, copper, copper pyrithione, zinc pyrithione, 4-bromo-2- (4-chlorophenyl) -5- (trifluoromethyl) -1H -Pyrrol-3-carbonitrile, 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, borane-nitrogen base adduct, N, N-dimethyl-N '-(3,4 Dichlorophenyl) urea, N- (2,4,6-trichlorophenyl) maleimide, 2-methylthio-4-tert-butylamino-6-cyclopropylamino-1,3,5-triazine, 2,4,5,6 -Tetrachloroisophthalonitrile, bisdimethyldithiocarbamoyl zinc ethylene bisdithiocarbamate, chloromethyl
- dehydrating agent (D) is at least one selected from the group consisting of calcium sulfate, hydrolyzable group-containing organosilane, zeolite, alumina, silica, and orthoester.
- Antifouling paint composition as described in 1.
- An antifouling substrate comprising a substrate and the antifouling coating film according to the above [12] provided on the surface of the substrate.
- a method for producing an antifouling substrate comprising a step of attaching a film to the substrate.
- the antifouling coating composition of the present invention By using the antifouling coating composition of the present invention, it is possible to form an antifouling coating film that exhibits excellent antifouling properties over a long period of time. It can be stored stably for a period of time.
- the weight used as a reference in defining the content of the component is a component that can constitute a dry coating film excluding the volatile component when the component includes a volatile component such as a solvent for dilution. That is, the weight of “solids”. Solid content means the residue when a component or composition containing a volatile component such as a solvent is dried at 105 ° C. in a hot air dryer for 3 hours to volatilize the solvent.
- (meth) acrylate is a general term for acrylate and methacrylate.
- the antifouling coating composition of the present invention contains a silyl ester (co) polymer (A) and medetomidine (B).
- the silyl ester (co) polymer (A) has the general formula (I): R 1 —CH ⁇ C (CH 3 ) —COO— (SiR 2 R 3 O) n —SiR 4 R 5 R 6 A structural unit derived from the monomer (a) represented by the formula (also referred to as “component unit”, “structural unit”, “repeating unit”, etc.), and optionally copolymerized with the monomer (a) And a (co) polymer having a structural unit derived from an unsaturated monomer (b).
- the “component unit derived from X” means that if X is represented by A 1 A 2 C ⁇ CA 3 A 4 (C ⁇ C is a polymerizable carbon-carbon double bond), for example, It is a structural unit represented by a formula.
- R 2 , R 3 , R 4 , R 5 and R 6 are each independently a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom, Examples include a linear, branched, or cyclic alkyl group, an aryl group, and the like in which a heteroatom such as an oxygen atom may be interposed between the bond between a carbon atom and a carbon atom.
- R 2 , R 3 , R 4 , R 5 and R 6 are preferably methyl because the silyl ester (co) polymer (A) is hydrolyzed at an appropriate rate in the antifouling coating film according to the present invention.
- Group, an alkyl group such as an ethyl group, an isopropyl group and a sec-butyl group, and more preferably an isopropyl group.
- R 1 is a hydrogen atom or R 7 —O—C ⁇ O (where R 7 is a hydrogen atom, a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom, or R 8 R 9 R 10 A silyl group represented by Si (wherein R 8 , R 9 and R 10 are each independently a monovalent organic group having 1 to 20 carbon atoms which may have a heteroatom). And preferably a hydrogen atom.
- Examples of the monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom as R 7 , R 8 , R 9 and R 10 are each independently a hetero atom such as an oxygen atom and a carbon atom.
- Examples include a linear, branched, or cyclic alkyl group that may be interposed between bonds with a carbon atom, and an aryl group, and an isopropyl group is preferable.
- n is 0 or an integer of 1 or more, preferably 0. The upper limit value of n may be 1,000, for example.
- Examples of the monomer (a) represented by the formula (I) include trimethylsilyl methacrylate, triethylsilyl methacrylate, tri-n-propylsilyl methacrylate, triisopropylsilyl methacrylate, tri-n-butylsilyl methacrylate, triisobutyl.
- Examples include trialkylsilyl methacrylates such as silyl methacrylate, tri-sec-butylsilyl methacrylate, tri-2-ethylhexylsilyl methacrylate, butyldiisopropylsilyl methacrylate, and 1-methacryloyloxynonamethyltetrasiloxane.
- Hydrolysis rate of the silyl ester (co) polymer (A) in the antifouling coating film according to the invention, and surface renewal persistence of the antifouling coating film according to the present invention Preferable from the viewpoint of excellent and water resistance.
- Examples of the unsaturated monomer (b) that can be copolymerized with the monomer (a) include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, isopropyl (meth) acrylate, and butyl (meth).
- the silyl ester (co) polymer (A) is preferably hydrolyzed at an appropriate rate, so that it is preferably an alkyl group, and more preferably an isopropyl group.
- R 11 is a hydrogen atom or R 17 —O—C ⁇ O (where R 17 is a hydrogen atom, a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom, or R 18 R 19 R 20 Si (Wherein R 18 , R 19 and R 20 each independently represents a monovalent organic group having 1 to 20 carbon atoms which may have a hetero atom). Yes, preferably a hydrogen atom.
- Examples of the monovalent organic group having 1 to 20 carbon atoms that may have a heteroatom as R 17 , R 18 , R 19 and R 20 include, for example, a heteroatom such as an oxygen atom, Examples thereof include linear, branched, and cyclic alkyl groups and aryl groups that may be interposed between these bonds, and preferably an isopropyl group.
- n is 0 or an integer of 1 or more, preferably 0.
- the upper limit value of n may be 1,000, for example.
- silyl ester (co) polymer (A) is more preferably 2-methoxyethyl (meth) as the unsaturated monomer (b). It contains structural units derived from acrylates, particularly preferably 1-30% by weight of structural units derived from 2-methoxyethyl (meth) acrylate.
- the structural unit derived from the monomer (a) is usually 10 to 100% by weight, preferably 10 to 90% by weight, more preferably 40 to 80%.
- the structural unit contained by weight and derived from the unsaturated monomer (b) contains the remaining amount, that is, usually 0 to 90% by weight, preferably 10 to 90% by weight, more preferably 20 to 60% by weight. It is desirable in terms of excellent surface renewal sustainability of the antifouling coating film according to the present invention (however, the amount of all structural units in the silyl ester-based (co) polymer (A) is 100% by weight) To do.)
- the number average molecular weight Mn (polystyrene conversion value.
- the measuring method is a method described in the column of Examples described later or a method equivalent thereto) of the silyl ester-based (co) polymer (A). It is usually 1,000 to 200,000, preferably 1,000 to 100,000 in view of viscosity, storage stability and physical properties of the coating film.
- the content of the silyl ester (co) polymer (A) in the antifouling coating composition of the present invention is preferably 0.1 to 99% by weight, more preferably 5 to 5% in the composition in terms of solid content. 90% by weight, particularly preferably 10 to 80% by weight.
- the silyl ester (co) polymer (A) can be prepared by (co) polymerizing the monomer (a) and optionally the unsaturated monomer (b) by a known polymerization method.
- Each content (weight) of the structural unit derived from the monomer (a) and the structural unit derived from the unsaturated monomer (b) contained in the silyl ester-based (co) polymer (A) ) Ratio tends to coincide with the ratio of the charged amount (weight) of the monomer (a) and the unsaturated monomer (b) subjected to the polymerization reaction.
- Medetomidine is ( ⁇ ) -4- [1- (2,3-dimethylphenyl) ethyl] -1H-imidazole.
- the content of medetomidine (B) in the antifouling coating composition of the present invention is preferably 0.001 to 10% by weight in 100% by weight of the antifouling coating composition (solid content). Further, the content of medetomidine (B) in the antifouling coating composition of the present invention is preferably 0.01 to 50 parts by weight with respect to 100 parts by weight of the silyl ester (co) polymer (A), The amount is more preferably 0.02 to 20 parts by weight, still more preferably 0.04 to 10 parts by weight. When the content of medetomidine (B) is within this range, the antifouling coating film obtained from the antifouling coating composition of the present invention exhibits excellent antifouling properties.
- the content of medetomidine (B) is particularly preferably a silyl ester from the viewpoint that the antifouling coating film exhibits excellent antifouling properties and the antifouling coating composition exhibits particularly excellent storage stability.
- the amount is 0.04 to 5 parts by weight based on 100 parts by weight of the system (co) polymer (A).
- the antifouling coating composition of the present invention contains an antifouling agent (C) other than medetomidine (B), the antifouling performance of the antifouling coating film obtained from the antifouling coating composition can be further improved.
- inorganic and organic antifouling agents can be used.
- the amount of the antifouling agent (C) other than medetomidine can be adjusted as appropriate, and is, for example, 0.01 to 1000 parts by weight with respect to 100 parts by weight of the silyl ester (co) polymer (A).
- the dehydrating agent (D) may be either inorganic or organic, or a combination thereof.
- examples of the inorganic dehydrating agent include calcium sulfate, zeolite, alumina, silica and the like.
- organic dehydrating agents include hydrolyzable group-containing organosilanes, orthoesters such as orthoformate alkyl ester, orthoboric acid, isocyanate and the like.
- the content of the dehydrating agent (D) in the antifouling coating composition of the present invention is preferably 0.01 to 200 parts by weight with respect to 100 parts by weight of the silyl ester (co) polymer (A). More preferably, it is 0.1 to 50 parts by weight.
- the content of the dehydrating agent (D) in the antifouling coating composition of the present invention is preferably 0.1 to 100,000 parts by weight, more preferably 1 part per 100 parts by weight of the medetomidine (B). ⁇ 10,000 parts by weight. When the blending amount of the dehydrating agent (D) is within this range, good paint storage stability can be obtained.
- rosins (E) When the antifouling coating composition of the present invention contains rosins (E), the surface renewability and water resistance of the antifouling coating film obtained from the antifouling coating composition can be improved. Moreover, the paint storage stability of an antifouling coating composition improves further by containing rosins (E). Examples of rosins (E) include rosins such as gum rosin, wood rosin and tall oil rosin, hydrogenated rosin, disproportionated rosin, rosin derivatives such as rosin metal salts, and pine tar.
- rosins (E) include rosins such as gum rosin, wood rosin and tall oil rosin, hydrogenated rosin, disproportionated rosin, rosin derivatives such as rosin metal salts, and pine tar.
- the blending amount of the rosins (E) can be adjusted as appropriate, and is, for example, 0.01 to 1,000 parts by weight, preferably 1 to 500 parts per 100 parts by weight of the silyl ester (co) polymer (A). Parts by weight.
- the antifouling coating composition of the present invention contains the monocarboxylic acid compound (F), the surface renewability and water resistance of the antifouling coating film obtained from the antifouling coating composition can be improved.
- the monocarboxylic acid compound (F) includes a saturated or unsaturated aliphatic hydrocarbon group having 10 to 20 carbon atoms, a saturated or unsaturated alicyclic hydrocarbon group having 3 to 20 carbon atoms, or a substituted product thereof. Is preferred. Among them, trimethylisobutenylcyclohexene carboxylic acid compound, versatic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, linolenic acid, abietic acid, neoabietic acid, pimaric acid, dehydroabietic acid, 12-hydroxystearic acid or naphthenic acid Acids and their salts (eg, metal salts) are desirable.
- trimethylisobutenylcyclohexenecarboxylic acid examples include a reaction product of 2,6-dimethylocta-2,4,6-triene and methacrylic acid, which is 1,2,3-trimethyl-5- ( 2-Methylprop-1-en-1-yl) cyclohex-3-en-1-carboxylic acid and 1,4,5-trimethyl-2- (2-methylprop-1-en-1-yl) cyclohex-3-
- the main component (85% or more) is ene-1-carboxylic acid.
- the amount of the monocarboxylic acid compound (F) can be adjusted as appropriate, and is, for example, 0.01 to 1000 parts by weight, preferably 1 to 500 parts per 100 parts by weight of the silyl ester (co) polymer (A). Parts by weight.
- coloring pigment (G) examples include inorganic pigments such as petals, titanium white (titanium oxide), and yellow iron oxide, and organic pigments such as carbon black, naphthol red, and phthalocyanine blue. These color pigments can be used singly or in combination of two or more.
- the color pigment may further contain various colorants such as dyes.
- the blending amount of the color pigment (G) can be adjusted as appropriate, and is, for example, 0.05 to 125 parts by weight with respect to 100 parts by weight of the silyl ester (co) polymer (A).
- the extender pigment (H) has a small refractive index and is transparent and does not hide the coated surface when kneaded with oil or varnish.
- extender pigments (H) include talc, mica, clay, potassium feldspar, zinc oxide, calcium carbonate, kaolin, alumina white, white carbon, aluminum hydroxide, magnesium carbonate, barium carbonate, barium sulfate, and zinc sulfide. Among them, zinc oxide, talc, mica, clay, calcium carbonate, kaolin, barium sulfate, and potassium feldspar are preferable.
- These extender pigments (H) can be used singly or in combination of two or more.
- the amount of the extender pigment (H) can be adjusted as appropriate, and is, for example, 0.5 to 250 parts by weight with respect to 100 parts by weight of the silyl ester (co) polymer (A).
- the plasticizer (I) is a component that contributes to improvement of crack resistance and water resistance of the antifouling coating film and suppression of discoloration.
- the plasticizer (I) include n-paraffin, chlorinated paraffin, terpene phenol, tricresyl phosphate (TCP), polyvinyl ethyl ether, etc. Among them, chlorinated paraffin and terpene phenol are preferable, Chlorinated paraffin is particularly preferred.
- These plasticizers can be used alone or in combination of two or more.
- n-paraffin examples include “n-paraffin” manufactured by Nippon Petrochemical Co., Ltd.
- chlorinated paraffin examples include “Toyoparax A-40 / A-50 / A-70 /” manufactured by Tosoh Corporation.
- a product such as “A-145 / A-150” can be used.
- the blending amount of the plasticizer (I) can be adjusted as appropriate, and is, for example, 1 to 5% by weight based on the total solid content in the antifouling coating composition.
- the wrinkle modifier (J) is a component that contributes to sagging-preventing properties and settling prevention of the paint.
- the alteration agent (J) include organic bentonite, stearate of Al, Ca or Zn, lecithin, alkyl sulfonate, polyethylene wax, oxidized polyethylene wax, amide wax, hydrogenated castor oil wax, amide wax / oxidized.
- a polyethylene wax composite system may be mentioned.
- These alteration agents can be used alone or in combination of two or more.
- the blending amount of the habit modifier (J) can be adjusted as appropriate, and is, for example, 0.25 to 50 parts by weight per 100 parts by weight of the silyl ester (co) polymer (A).
- the antifouling coating composition of the present invention may contain one or two or more other resins (K) as required in addition to the silyl ester (co) polymer (A) described above.
- resins (K) for example, acrylic resin containing no metal ester bond, metal (other than silicon) ester group-containing acrylic resin, acrylic silicone resin, polyester resin, unsaturated polyester resin, fluororesin, polybutene resin, silicone rubber, polyurethane resin, epoxy resin, polyamide Resin, vinyl resin (vinyl chloride copolymer, ethylene / vinyl acetate copolymer, etc.), chlorinated rubber, chlorinated olefin resin, styrene / butadiene copolymer resin, ketone resin, alkyd resin, coumarone resin, terpene phenol resin, A water-insoluble or poorly water-soluble resin such as petroleum resin can be used.
- the blending amount of the other resins (K) can be appropriately adjusted, and is, for example, 0.01 to
- Solvent (L) The various components constituting the antifouling paint composition of the present invention are dissolved or dispersed in a solvent as in the case of a normal antifouling paint composition.
- aliphatic solvents aromatic solvents (xylene, toluene, etc.), ketone solvents (MIBK, cyclohexanone, etc.), ester solvents, ether solvents (propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, etc.
- Commonly used solvents for antifouling paints such as alcohol solvents (isopropyl alcohol and the like) can be used.
- the blending amount of the solvent (L) can be adjusted as appropriate, for example, such that the total solid content of the antifouling coating composition is 20 to 90% by weight. Also good.
- the antifouling paint composition of the present invention can be prepared using the same apparatus, means, etc. as those of known general antifouling paints.
- the (co) polymer (A) ((co) polymer (A) is composed of (co) polymer (A) And a component such as medetomidine (B), and other additives as necessary, at a time, or a solution obtained by preparing (co-polymer (A)). What is necessary is just to add to a solvent one by one and to stir and mix and to manufacture.
- the antifouling coating composition of the present invention has excellent storage stability over a long period of time, the component containing the silyl ester (co) polymer (A) and the component containing medetomidine (B) are separated. It can be stored not only as a one-component paint containing a silyl ester (co) polymer (A) and medetomidine (B).
- the antifouling coating film of the present invention comprises the solid content of the antifouling coating composition of the present invention.
- the antifouling coating film of the present invention is formed from the antifouling coating composition of the present invention.
- the antifouling coating composition contains a solvent (L)
- the antifouling coating composition of the present invention applied on a substrate is used.
- the soil coating composition can be formed by, for example, natural drying or curing using a drying means such as a heater (that is, removing the solvent (L)).
- the antifouling base material of the present invention comprises a base material and the antifouling coating film of the present invention formed on the surface of the base material. Is applied to the substrate by applying or impregnating it with a coating means such as air spray, airless spray, brush, roller, etc. Alternatively, the impregnated coating composition is naturally dried (that is, dried at a temperature of about room temperature) or dried and cured using a drying means such as a heater to form an antifouling coating on the substrate. Can be manufactured.
- a coating means such as air spray, airless spray, brush, roller, etc.
- the impregnated coating composition is naturally dried (that is, dried at a temperature of about room temperature) or dried and cured using a drying means such as a heater to form an antifouling coating on the substrate. Can be manufactured.
- the antifouling substrate of the present invention forms an antifouling coating film on the surface of the temporary substrate from the antifouling coating composition of the present invention, and the antifouling coating film is peeled off from the temporary substrate for antifouling. It can also be manufactured by sticking it to the substrate. At this time, an antifouling coating film may be affixed on the substrate via an adhesive layer.
- the base material is not particularly limited, but is preferably a base material that comes into contact with seawater or fresh water.
- water supply / drainage ports of various power plants thermal power, nuclear power
- bay roads submarine tunnels
- Equipment or underwater structures such as sludge diffusion prevention membranes used in various marine or river civil engineering works such as canals or waterways, ship outer plates (especially from the draft section of the ship to the bottom of the ship), fishing materials (ropes, fishing nets, etc.) , Floats or buoys).
- Examples of the material of these base materials include steel, aluminum, wood, FRP, etc. for ship outer plates, natural or synthetic fibers for fish nets, etc., and synthetic resin for floats, buoys, etc. As long as it is a base material that is in water and requires antifouling properties, the material is not particularly limited.
- the surface of these base materials is usually the surface of the primer-treated base material after the primer such as a rust preventive paint is primed on the surface of the steel base material as described above.
- the antifouling paint composition (antifouling paint) of the present invention is applied once or a plurality of times and applied or impregnated (impregnation is performed particularly when the substrate is a fish net or the like).
- the antifouling paint composition When the antifouling paint composition is cured to form an antifouling coating film, it has characteristics that prevent the attachment of aquatic organisms such as blue seaweeds, barnacles, aonori, cell plastics, oysters, and chrysanthemum insects over a long period of time (antifouling properties, particularly static It is excellent in antifouling property, and the antifouling component can be gradually released over a long period of time.
- the base material surface may be primed or may have a layer formed from various binder paints.
- the antifouling coating composition is applied to the surface of the base material a plurality of times (also referred to as thick coating). The thickness is about 100 to 600 ⁇ m.) Then, the obtained antifouling substrate exhibits a good balance of not only excellent antifouling properties but also moderate flexibility and excellent crack resistance.
- the antifouling coating composition of the present invention may be directly applied to the surface, or the substrate
- the surface of the substrate may be impregnated with the antifouling coating composition of the present invention when the substrate is a fish net or the like, and when the substrate is a steel sheet fabric, the substrate surface is coated with a rust preventive or primer. May be applied in advance to form an undercoat layer, and then the antifouling paint composition of the present invention may be applied to the surface of the undercoat layer.
- the thickness of the antifouling coating film of the present invention formed by a single coating operation is not particularly limited, but is about 30 to 250 ⁇ m, for example, when the substrate is a ship outer plate or an underwater structure. .
- the underwater structure having the antifouling coating film of the present invention can maintain the function of the underwater structure for a long period because it can prevent adhesion of aquatic organisms over a long period of time.
- the fish net having the antifouling coating film of the present invention is less likely to cause environmental pollution, and can prevent clogging of the net because it can prevent adhesion of aquatic organisms.
- the solid content means a residue of heating when a reaction mixture, a paint, an uncured coating film, or the like containing a resin and a solvent is dried in a hot air dryer at 105 ° C. for 3 hours to volatilize the solvent. .
- the solid content usually includes a resin component, a pigment, and the like, and becomes a coating film forming component.
- Examples 1 to 28, Comparative Examples 1 to 4 Manufacture of antifouling paint composition
- Table 2 The components shown in Table 2 such as the solutions (A-1 to A-7) containing silyl ester copolymers obtained in Production Examples 1 to 7 and medetomidine (B) are shown in Table 2 (in the table The numerical value indicates parts by weight.), And the mixture was uniformly mixed using a paint shaker to produce an antifouling paint composition, which was evaluated by the following method.
- Sand blasted steel sheet (length 300mm x width 100mm x thickness 3.2mm) and epoxy-type anticorrosive paint (epoxy AC paint, trade name "Banno 500", manufactured by China Paint Co., Ltd.) have a dry film thickness of 150 ⁇ m.
- a vinyl binder paint (trade name “Sylvax SQ-K”, manufactured by China Paint Co., Ltd.) was applied so that the dry film thickness was 40 ⁇ m.
- the antifouling paint composition produced according to the above example was applied once so that the dry film thickness was 100 ⁇ m and dried at room temperature for 7 days to prepare a test plate with an antifouling coating film. The above three coatings were performed once a day.
- the test plate prepared as described above was immersed in Tokyo Bay for 3 months in the summer, and the area of the antifouling coating with the barnacles attached (hereinafter also referred to as “barnacles attached area”). It was measured. Then, the antifouling property of the antifouling coating film was evaluated according to the following [Evaluation criteria of antifouling property by the adhesion area of barnacles]. The results are as shown in Table 2.
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Abstract
Description
この加水分解性樹脂としては、特に好適な更新性を有する樹脂としてシリルエステル系共重合体が広く用いられている。
国際公開第2011/118526号(特許文献2)にはこれらを組み合わせた、高い汚損負荷にさらされる海域や航行条件の船舶、海中構造物等でも優れた防汚性能を発揮する防汚塗料組成物が開示され、その具体例として、トリイソプロピルシリルアクリレートから誘導される構造単位を有するシリルエステル系共重合体およびメデトミジンなどを含む塗料組成物も開示されている(実施例10、11)。
シリルエステル系(共)重合体(A)およびメデトミジン(B)を含み、
前記シリルエステル系(共)重合体(A)が、一般式(I):
R1-CH=C(CH3)-COO-(SiR2R3O)n-SiR4R5R6
・・・(I)
[式(I)中、R2、R3、R4、R5およびR6は、それぞれ独立にヘテロ原子を有してもよい炭素数1~20の1価の有機基であり、
R1は水素原子またはR7-O-C=O(ただし、R7は水素原子、ヘテロ原子を有してもよい炭素数1~20の1価の有機基またはR8R9R10Si(ただし、R8、R9およびR10は、それぞれ独立にヘテロ原子を有してもよい炭素数1~20の1価の有機基である。)で表されるシリル基である。)であり、
nは0または1以上の整数である。]
で表される単量体(a)から誘導される構造単位を有する防汚塗料組成物。
前記メデトミジン(B)が、前記シリルエステル系(共)重合体(A)100重量部に対して0.01~50重量部の割合で含まれている上記[1]に記載の防汚塗料組成物。
前記シリルエステル系(共)重合体(A)が、前記単量体(a)と共重合し得る不飽和単量体(b)から誘導される構造単位をさらに有する上記[1]または[2]に記載の防汚塗料組成物。
前記不飽和単量体(b)が、アルキル(メタ)アクリレート、フェニル(メタ)アクリレート、ベンジル(メタ)アクリレート、アルコキシアルキル(メタ)アクリレート、ヒドロキシアルキル(メタ)アクリレート、金属エステル基含有(メタ)アクリレート、オルガノシロキサン基含有(メタ)アクリレート、および一般式(II):
R11-CH=CH-COO-(SiR12R13O)n-SiR14R15R16
・・・(II)
[式(II)中、R12、R13、R14、R15およびR16は、それぞれ独立にヘテロ原子を有してもよい炭素数1~20の1価の有機基であり、
R11は水素原子またはR17-O-C=O(ただし、R17は水素原子、ヘテロ原子を有してもよい炭素数1~20の1価の有機基またはR18R19R20Si(ただし、R18、R19およびR20は、それぞれ独立にヘテロ原子を有してもよい炭素数1~20の1価の有機基である。)で表されるシリル基である。)であり、
nは0または1以上の整数である。]
で表される単量体からなる群から選ばれる少なくとも1種の不飽和単量体を含む上記[3]に記載の防汚塗料組成物。
前記一般式(I)において、R4、R5およびR6がすべてイソプロピル基である上記[1]~[4]のいずれか一つに記載の防汚塗料組成物。
さらに前記メデトミジン(B)以外の防汚剤(C)を含む上記[1]~[5]のいずれか一つに記載の防汚塗料組成物。
前記メデトミジン(B)以外の防汚剤(C)が、亜酸化銅、ロダン銅、銅、銅ピリチオン、ジンクピリチオン、4-ブロモ-2-(4-クロロフェニル)-5-(トリフルオロメチル)-1H-ピロール-3-カルボニトリル、4,5-ジクロロ-2-n-オクチル-4-イソチアゾリン-3-オン、ボラン-窒素系塩基付加物、N,N-ジメチル-N'-(3,4-ジクロロフェニル)尿素、N-(2,4,6-トリクロロフェニル)マレイミド、2-メチルチオ-4-tert-ブチルアミノ-6-シクロプロピルアミノ-1,3,5-トリアジン、2,4,5,6-テトラクロロイソフタロニトリル、ビスジメチルジチオカルバモイルジンクエチレンビスジチオカーバメート、クロロメチル-n-オクチルジスルフィド、N,N'-ジメチル-N'-フェニル-(N-フルオロジクロロメチルチオ)スルファミド、テトラアルキルチウラムジスルフィド、ジンクジメチルジチオカーバメート、ジンクエチレンビスジチオカーバメート、2,3-ジクロロ-N-(2',6'-ジエチルフェニル)マレイミド、および2,3-ジクロロ-N-(2'-エチル-6'-メチルフェニル)マレイミドからなる群から選ばれる少なくとも1種の防汚剤である上記[6]に記載の防汚塗料組成物。
さらに脱水剤(D)を含む上記[1]~[7]のいずれか一つに記載の防汚塗料組成物。
前記脱水剤(D)が、硫酸カルシウム、加水分解性基含有オルガノシラン、ゼオライト、アルミナ、シリカおよびオルトエステルからなる群から選ばれる少なくとも1種である上記[1]~[8]のいずれか一つに記載の防汚塗料組成物。
さらにロジン類(E)を含む上記[1]~[9]のいずれか一つに記載の防汚塗料組成物。
1液型塗料である上記[1]~[10]のいずれか一つに記載の防汚塗料組成物。
上記[1]~[11]のいずれか一つに記載の防汚塗料組成物から形成される防汚塗膜。
基材と、該基材の表面に設けられた上記[12]に記載の防汚塗膜とを有する防汚基材。
海水または真水と接触する上記[13]に記載の防汚基材。
前記基材が、水中構造物、船舶外板または漁具である上記[14]に記載の防汚基材。
基材の表面に、上記[1]~[11]のいずれか一つに記載の防汚塗料組成物を塗布するかもしくは含浸させる工程と、該工程により前記基材に塗布された、もしくは含浸された前記防汚塗料を硬化させる工程とを備えるか、または
前記防汚塗料組成物から塗膜を形成し、この塗膜を硬化させて防汚塗膜を形成する工程と、前記防汚塗膜を基材に貼付する工程とを備える
防汚基材の製造方法。
防汚塗料組成物の貯蔵方法であって、上記[11]に記載の防汚塗料組成物を容器に充填して貯蔵する貯蔵方法。
なお、本発明において成分の含有量を規定する際の基準となる重量は、成分が希釈用溶剤等の揮発性成分を含む場合には、揮発性成分を除いた乾燥塗膜を構成しうる成分、すなわち「固形分」の重量である。固形分とは、溶剤等の揮発成分が含まれた成分ないし組成物を、105℃で熱風乾燥機中で3時間乾燥して溶剤等を揮散させたときの残分をいう。また、「(メタ)アクリレート」は、アクリレートおよびメタクリレートを総称する語句である。
本発明の防汚塗料組成物は、シリルエステル系(共)重合体(A)およびメデトミジン(B)を含有する。
シリルエステル系(共)重合体(A)は、一般式(I):
R1-CH=C(CH3)-COO-(SiR2R3O)n-SiR4R5R6
で表される単量体(a)から誘導される構造単位(「成分単位」、「構成単位」、「繰り返し単位」などともいう。)と、任意に、単量体(a)と共重合し得る不飽和単量体(b)から誘導される構造単位とを有する(共)重合体である。なお"Xから誘導される成分単位"とは、XをA1A2C=CA3A4(C=Cは、重合性炭素-炭素二重結合である。)と表すならば、たとえば下式で表される構造単位である。
nは0または1以上の整数であり、好ましくは0である。nの上限値は、たとえば1,000であってもよい。
フェニル(メタ)アクリレート;
ベンジル(メタ)アクリレート;
メトキシメチル(メタ)アクリレート、2-メトキシエチル(メタ)アクリレート、エトキシメチル(メタ)アクリレート、2-エトキシエチル(メタ)アクリレート、4-メトキシブチル(メタ)アクリレート、メトキシプロピル(メタ)アクリレート、エトキシプロピル(メタ)アクリレート、プロポキシエチル(メタ)アクリレート、2-ブトキシエチル(メタ)アクリレート、イソブトキシブチルジグリコール(メタ)アクリレート、フェノキシエチル(メタ)アクリレート等のアルコキシアルキル(メタ)アクリレート;
ヒドロキシメチル(メタ)アクリレート、2-ヒドロキシエチル(メタ)アクリレート、2-ヒドロキシプロピル(メタ)アクリレート、4-ヒドロキシブチル(メタ)アクリレート、2-ヒドロキシ-3-フェノキシプロピル(メタ)アクリレート等のヒドロキシアルキル(メタ)アクリレート;
亜鉛(メタ)アクリレート、亜鉛ジ(メタ)アクリレート、銅(メタ)アクリレート、銅ジ(メタ)アクリレート等の金属エステル基含有(メタ)アクリレート;
オルガノシロキサン基含有(メタ)アクリレート、および
一般式(II):
R11-CH=CH-COO-(SiR12R13O)n-SiR14R15R16
[式(II)中、R12、R13、R14、R15およびR16は、それぞれ独立にヘテロ原子を有してもよい炭素数1~20の1価の有機基であり、たとえば、酸素原子などのヘテロ原子が炭素原子と炭素原子との結合間に介在しても良い、直鎖状、分岐鎖状、環状のアルキル基、アリール基などが挙げられる。本発明に係る防汚塗膜においてシリルエステル系(共)重合体(A)が適切な速度で加水分解することから、好ましくはアルキル基であり、さらに好ましくはイソプロピル基である。
で表される単量体が好ましく、中でも、メチル(メタ)アクリレート、エチル(メタ)アクリレート、ブチル(メタ)アクリレート、2-メトキシエチル(メタ)アクリレート、2-ヒドロキシエチル(メタ)アクリレート、トリイソプロピルシリルアクリレートがさらに好ましい。貯蔵安定性に特に優れた防汚塗料組成物を製造できることから、シリルエステル系(共)重合体(A)は、より好ましくは不飽和単量体(b)としての2-メトキシエチル(メタ)アクリレートから誘導される構造単位を含み、特に好ましくは2-メトキシエチル(メタ)アクリレートから誘導される構造単位を1~30重量%含む。
シリルエステル系(共)重合体(A)に含まれる、前記単量体(a)から誘導される構造単位および前記不飽和単量体(b)から誘導される構造単位の各含有量(重量)の比率は、重合反応に供される前記単量体(a)および前記不飽和単量体(b)の仕込み量(重量)の比率に一致する傾向にある。
メデトミジンは、(±)-4-[1-(2,3-ジメチルフェニル)エチル]-1H-イミダゾールである。
本発明の防汚塗料組成物には、前述した成分の他に、メデトミジン(B)以外の防汚剤(C)、脱水剤(D)、ロジン類(E)、モノカルボン酸化合物(F)、着色顔料(G)、体質顔料(H)、可塑剤(I)、搖変剤(J)、シリルエステル系(共)重合体(A)以外のその他の樹脂類(K)、溶剤(L)等、一般的な塗料組成物に用いられている各種成分を配合することができる。
本発明の防汚塗料組成物がメデトミジン(B)以外の防汚剤(C)を含むことで、防汚塗料組成物から得られる防汚塗膜の防汚性能をさらに向上させることができる。
メデトミジン以外の防汚剤(C)の配合量は、適宜調整でき、例えば、シリルエステル系(共)重合体(A)100重量部に対して0.01~1000重量部である。
本発明の防汚塗料組成物が脱水剤(D)を含むことで、防汚塗料組成物の塗料貯蔵安定性をさらに向上させることができる。
前記脱水剤(D)は、無機系、有機系のいずれであってもよく、またはそれらの組み合わせてであってもよい。
無機系の脱水剤としては、硫酸カルシウム、ゼオライト、アルミナ、シリカ等が挙げられる。
本発明の防汚塗料組成物中の脱水剤(D)の含有量は、前記シリルエステル系(共)重合体(A)100重量部に対して、好ましくは0.01~200重量部であり、さらに好ましくは0.1~50重量部である。本発明の防汚塗料組成物中の脱水剤(D)の含有量は、前記メデトミジン(B)100重量部に対して、好ましくは0.1~100,000重量部であり、さらに好ましくは1~10,000重量部である。脱水剤(D)の配合量がこの範囲にあると良好な塗料貯蔵安定性が得られる。
本発明の防汚塗料組成物がロジン類(E)を含むことで、防汚塗料組成物から得られる防汚塗膜の表面更新性および耐水性を向上させることができる。また、ロジン類(E)を含むことで、防汚塗料組成物の塗料貯蔵安定性がさらに向上する。
ロジン類(E)としては、ガムロジン、ウッドロジン、トール油ロジン等のロジン、水添ロジン、不均化ロジン、ロジン金属塩等のロジン誘導体、パインタールなどが挙げられる。
本発明の防汚塗料組成物がモノカルボン酸化合物(F)を含むことで、防汚塗料組成物から得られる防汚塗膜の表面更新性および耐水性を向上させることができる。
着色顔料(G)としては、例えば、弁柄、チタン白(酸化チタン)、黄色酸化鉄等の無機系顔料や、カーボンブラック、ナフトールレッド、フタロシアニンブルー等の有機系顔料が挙げられる。これらの着色顔料は、1種単独で、または2種以上組み合わせて用いることができる。なお、着色顔料には、さらに染料等の各種着色剤が含まれていてもよい。
着色顔料(G)の配合量は、適宜調整でき、例えば、シリルエステル系(共)重合体(A)100重量部に対して0.05~125重量部である。
体質顔料(H)は、屈折率が小さく、油やワニスと混練した場合に透明で被塗面を隠さないような顔料である。体質顔料(H)としては、例えば、タルク、マイカ、クレー、カリ長石、酸化亜鉛、炭酸カルシウム、カオリン、アルミナホワイト、ホワイトカーボン、水酸化アルミニウム、炭酸マグネシウム、炭酸バリウム、硫酸バリウム、硫化亜鉛等が挙げられ、なかでも、酸化亜鉛、タルク、マイカ、クレー、炭酸カルシウム、カオリン、硫酸バリウム、カリ長石が好ましい。これらの体質顔料(H)は、1種単独で、または2種以上組み合わせて用いることができる。
体質顔料(H)の配合量は、適宜調整でき、例えば、シリルエステル系(共)重合体(A)100重量部に対して0.5~250重量部である。
可塑剤(I)は、防汚塗膜の耐クラック性や耐水性の向上および変色の抑制に寄与する成分である。可塑剤(I)としては、例えば、n-パラフィン、塩素化パラフィン、テルペンフェノール、トリクレジルフォスフェート(TCP)、ポリビニルエチルエーテル等が挙げられ、なかでも、塩素化パラフィン、テルペンフェノールが好ましく、塩素化パラフィンが特に好ましい。これらの可塑剤は、1種単独で、または2種以上組み合わせて用いることができる。前記n-パラフィンとしては、日本石油化学(株)製「n-パラフィン」等の商品を、前記塩素化パラフィンとしては、東ソー(株)製「トヨパラックス A-40/A-50/A-70/A-145/A-150」等の商品を使用できる。
可塑剤(I)の配合量は、適宜調整でき、例えば、防汚塗料組成物中の全固形分に対して1~5重量%である。
搖変剤(J)は、塗料のタレ止め性および沈降防止に寄与する成分である。
搖変剤(J)としては、例えば、有機ベントナイト、Al、CaまたはZnのステアレート、レシチン、アルキルスルホン酸塩、ポリエチレンワックス、酸化ポリエチレンワックス、アマイドワックス、水素添加ヒマシ油ワックス、アマイドワックス/酸化ポリエチレンワックス複合系が挙げられる。これらの搖変剤は、1種単独で、または2種以上組み合わせて用いることができる。
搖変剤(J)の配合量は、適宜調整でき、例えば、シリルエステル系(共)重合体(A)100重量部に対して0.25~50重量部である。
本発明の防汚塗料組成物は、前述のシリルエステル系(共)重合体(A)以外にも、必要に応じて1種または2種以上のその他の樹脂類(K)を含んでいてもよい。
例えば、金属エステル結合を含有しないアクリル樹脂、金属(珪素以外)エステル基含有アクリル樹脂、アクリルシリコーン樹脂、ポリエステル樹脂、不飽和ポリエステル樹脂、フッ素樹脂、ポリブテン樹脂、シリコーンゴム、ポリウレタン樹脂、エポキシ樹脂、ポリアミド樹脂、ビニル樹脂(塩化ビニル系共重合体、エチレン・酢酸ビニル共重合体等)、塩化ゴム、塩素化オレフィン樹脂、スチレン・ブタジエン共重合樹脂、ケトン樹脂、アルキッド樹脂、クマロン樹脂、テルペンフェノール樹脂、石油樹脂等の非水溶性または難水溶性の樹脂を用いることができる。
その他の樹脂類(K)の配合量は、適宜調整でき、例えば、シリルエステル系(共)重合体(A)100重量部に対して0.01~1,000重量部である。
本発明の防汚塗料組成物を構成する各種成分は、通常の防汚塗料組成物と同様、溶剤に溶解もしくは分散している。本発明では、脂肪族系溶剤、芳香族系溶剤(キシレン、トルエン等)、ケトン系溶剤(MIBK、シクロヘキサノン等)、エステル系溶剤、エーテル系溶剤(プロピレングリコールモノメチルエーテル、プロピレングリコールモノメチルエーテルアセテート等)、アルコール系溶剤(イソプロピルアルコール等)等、防汚塗料用の溶剤として一般的なものを用いることができる。
溶剤(L)の配合量は、適宜調整でき、例えば、防汚塗料組成物の全固形分率が20~90重量%となるような割合であり、作業性に応じて塗装時にさらに添加してもよい。
本発明の防汚塗料組成物は、公知の一般的な防汚塗料と同様の装置、手段等を用いて調製することができる。例えば、あらかじめシリルエステル系(共)重合体(A)を調製した後、この(共)重合体(A)((共)重合体(A)の態様としては、(共)重合体(A)の溶液((共)重合体(A)を調製した際に得られた溶液)が挙げられる。)と、メデトミジン(B)、必要に応じてその他の添加剤等の成分とを、一度にまたは順次溶剤に添加して、撹拌、混合して製造すれば良い。
本発明の防汚塗膜は、本発明の防汚塗料組成物の固形分からなる。本発明の防汚塗膜は、本発明の防汚塗料組成物から形成され、たとえば防汚塗料組成物が溶剤(L)を含む場合であれば、基材上に塗布された本発明の防汚塗料組成物を、たとえば自然乾燥またはヒーター等の乾燥手段を用いて硬化させて(すなわち、前記溶剤(L)を除去して)、形成することができる。
本発明の防汚塗膜を有する水中構造物は、長期間に亘って水棲生物の付着を防止できることに起因して、水中構造物の機能を長期間維持できる。また、本発明の防汚塗膜を有する魚網は、環境汚染のおそれが少ない上に、水棲生物の付着を防止できることに起因して網目の閉塞を防止できる。
<シリルエステル系(共)重合体溶液の粘度>
シリルエステル系(共)重合体溶液の25℃における粘度は、E型粘度計(東機産業(株)製)により測定した。
固形分とは、樹脂および溶剤等が含まれた、反応混合物、塗料または未硬化塗膜等を105℃熱風乾燥機中で3時間乾燥して溶剤等を揮散させたときの加熱残分をいう。固形分は、通常は樹脂分さらには顔料等を含み、塗膜形成成分となる。
シリルエステル系(共)重合体の数平均分子量(Mn)、重量平均分子量(Mw)を下記条件でGPC(ゲルパーミエーションクロマトグラフィー)を用いて測定した。
GPC条件
装置 :「HLC-8120GPC」(東ソー(株)製)
カラム :「SuperH2000+H4000」(東ソー(株)製、6mm(内径)、各15cm(長さ))
溶離液 :テトラヒドロフラン(THF)
流速 :0.500ml/min
検出器 :RI
カラム恒温槽温度 :40℃
標準物質 :ポリスチレン
サンプル調製法 :各製造例で調製された重合体溶液に少量の塩化カルシウムを加えて脱水した後、メンブレムフィルターで濾過して得られた濾物をGPC測定サンプルとした。
攪拌機、コンデンサー、温度計、滴下装置、窒素導入管および加熱冷却ジャケットを備えた反応容器にキシレン54重量部およびトリイソプロピルシリルメタクリレート70重量部を仕込み、窒素気流下で85℃±5℃の温度条件下に加熱、攪拌を行った。同温度を保持しつつ滴下装置より、前記反応容器内にメチルメタクリレート30重量部および2,2'-アゾビス-2-メチルブチロニトリル0.75重量部からなる混合物を2時間かけて滴下した。その後、同温度で4時間攪拌を行った後、2,2'-アゾビスイソブチロニトリル0.4重量部を加え、更に同温度で4時間攪拌を行い、キシレン26部を加えて無色透明のシリルエステル系共重合体溶液(A-1)を得た。
使用されたモノマー成分の量、ならびに溶液(A-1)およびこれに含まれるシリルエステル系共重合体の特性値を表1に示す。
攪拌機、コンデンサー、温度計、滴下装置、窒素導入管および加熱冷却ジャケットを備えた反応容器にキシレン54重量部を仕込み、窒素気流下で85℃±5℃の温度条件下に加熱、攪拌を行った。同温度を保持しつつ滴下装置より、前記反応容器内にトリイソプロピルシリルメタクリレート55重量部、2-メトキシエチルメタクリレート30重量部、ブチルアクリレート10重量部、メチルメタクリレート5重量部、および2,2'-アゾビスイソブチロニトリル0.65重量部からなる混合物を2時間かけて滴下した。その後、同温度で4時間攪拌を行った後、2,2'-アゾビスイソブチロニトリル0.4重量部を加え、更に同温度で2時間攪拌を行い、キシレン14重量部を加えて無色透明のシリルエステル系共重合体溶液(A-2)を得た。
使用されたモノマー成分の量、ならびに溶液(A-2)およびこれに含まれるシリルエステル系共重合体の特性値を表1に示す。
製造例2において使用された混合物のかわりに、表1に示される組成を有するモノマー成分と2,2'-アゾビスイソブチロニトリルとの混合物を使用し、キシレン及び重合触媒(2,2'-アゾビスイソブチロニトリル)の添加量を適宜調整したことを除いては製造例2と同様にして、シリルエステル系共重合体を含むシリルエステル系共重合体溶液(A-3)~(A-6)を調製した。
使用されたモノマー成分の量、ならびに溶液(A-3)~(A-6)およびこれらに含まれるシリルエステル系共重合体の特性値を表1に示す。
トリイソプロピルシリルメタクリレートのかわりにトリイソプロピルシリルアクリレート70重量部を使用し、キシレン及び重合触媒(2,2'-アゾビス-2-メチルブチロニトリル、2,2'-アゾビスイソブチロニトリル)の添加量を適宜調整したことを除いては製造例1と同様にして、シリルエステル系共重合体を含むシリルエステル系共重合体溶液(A-7)を調製した。
使用されたモノマー成分の量、ならびに溶液(A-7)およびこれに含まれるシリルエステル系共重合体の特性値を表1に示す。
(防汚塗料組成物の製造)
前記製造例1~7により得られたシリルエステル系共重合体を含む溶液(A-1~A-7)、メデトミジン(B)など、表2に示す成分を表2に示す割合(表中の数値は重量部を示す。)で、ペイントシェーカーを用いて均一に混合することにより、防汚塗料組成物を製造し、下記の方法によりその評価を行った。
実施例および比較例の防汚塗料組成物を50℃にて2週間貯蔵し、貯蔵前後での粘度を比較した。貯蔵前後の粘度数値差を貯蔵前の粘度で除して得た値を「粘度上昇率(%)」として求め、この値に基づいて防汚塗料組成物の貯蔵安定性を評価した。
粘度は、各組成物を23℃の温度条件下で、それぞれストーマー粘度計(製造元:太佑機材株式会社、製品名:ストーマー粘度計、型式:691)にて測定した。
サンドブラスト処理鋼板(縦300mm×横100mm×厚み3.2mm)に、エポキシ系防錆塗料(エポキシAC塗料、商品名「バンノー500」、中国塗料(株)製)をその乾燥膜厚が150μmとなるように塗布した後、ビニル系バインダー塗料(商品名「シルバックスSQ-K」、中国塗料(株)製)をその乾燥膜厚が40μmとなるように塗布した。続いて、前記実施例により製造した防汚塗料組成物をその乾燥膜厚が100μmとなるように1回塗布し、室温で7日間乾燥させて、防汚塗膜付き試験板を作製した。なお、前記の3回の塗装は1日当たり1回のペースで行った。
0 : フジツボの付着なし
1 : フジツボが部分的に付着
2 : フジツボが全面に付着
Claims (17)
- シリルエステル系(共)重合体(A)およびメデトミジン(B)を含み、
前記シリルエステル系(共)重合体(A)が、一般式(I):
R1-CH=C(CH3)-COO-(SiR2R3O)n-SiR4R5R6
・・・(I)
[式(I)中、R2、R3、R4、R5およびR6は、それぞれ独立にヘテロ原子を有してもよい炭素数1~20の1価の有機基であり、
R1は水素原子またはR7-O-C=O(ただし、R7は水素原子、ヘテロ原子を有してもよい炭素数1~20の1価の有機基またはR8R9R10Si(ただし、R8、R9およびR10は、それぞれ独立にヘテロ原子を有してもよい炭素数1~20の1価の有機基である。)で表されるシリル基である。)であり、
nは0または1以上の整数である。]
で表される単量体(a)から誘導される構造単位を有する防汚塗料組成物。 - 前記メデトミジン(B)が、前記シリルエステル系(共)重合体(A)100重量部に対して0.01~50重量部の割合で含まれている請求項1に記載の防汚塗料組成物。
- 前記シリルエステル系(共)重合体(A)が、前記単量体(a)と共重合し得る不飽和単量体(b)から誘導される構造単位をさらに有する請求項1または2に記載の防汚塗料組成物。
- 前記不飽和単量体(b)が、アルキル(メタ)アクリレート、フェニル(メタ)アクリレート、ベンジル(メタ)アクリレート、アルコキシアルキル(メタ)アクリレート、ヒドロキシアルキル(メタ)アクリレート、金属エステル基含有(メタ)アクリレート、オルガノシロキサン基含有(メタ)アクリレート、および一般式(II):
R11-CH=CH-COO-(SiR12R13O)n-SiR14R15R16
・・・(II)
[式(II)中、R12、R13、R14、R15およびR16は、それぞれ独立にヘテロ原子を有してもよい炭素数1~20の1価の有機基であり、
R11は、水素原子またはR17-O-C=O(ただし、R17は水素原子、ヘテロ原子を有してもよい炭素数1~20の1価の有機基またはR18R19R20Si(ただし、R18、R19およびR20は、それぞれ独立にヘテロ原子を有してもよい炭素数1~20の1価の有機基である。)で表されるシリル基である。)であり、
nは0または1以上の整数である。]
で表される単量体からなる群から選ばれる少なくとも1種の不飽和単量体を含む請求項3に記載の防汚塗料組成物。 - 前記一般式(I)において、R4、R5およびR6がすべてイソプロピル基である請求項1~4のいずれか一項に記載の防汚塗料組成物。
- さらに前記メデトミジン(B)以外の防汚剤(C)を含む請求項1~5のいずれか一項に記載の防汚塗料組成物。
- 前記メデトミジン(B)以外の防汚剤(C)が、亜酸化銅、ロダン銅、銅、銅ピリチオン、ジンクピリチオン、4-ブロモ-2-(4-クロロフェニル)-5-(トリフルオロメチル)-1H-ピロール-3-カルボニトリル、4,5-ジクロロ-2-n-オクチル-4-イソチアゾリン-3-オン、ボラン-窒素系塩基付加物、N,N-ジメチル-N'-(3,4-ジクロロフェニル)尿素、N-(2,4,6-トリクロロフェニル)マレイミド、2-メチルチオ-4-tert-ブチルアミノ-6-シクロプロピルアミノ-1,3,5-トリアジン、2,4,5,6-テトラクロロイソフタロニトリル、ビスジメチルジチオカルバモイルジンクエチレンビスジチオカーバメート、クロロメチル-n-オクチルジスルフィド、N,N'-ジメチル-N'-フェニル-(N-フルオロジクロロメチルチオ)スルファミド、テトラアルキルチウラムジスルフィド、ジンクジメチルジチオカーバメート、ジンクエチレンビスジチオカーバメート、2,3-ジクロロ-N-(2',6'-ジエチルフェニル)マレイミド、および2,3-ジクロロ-N-(2'-エチル-6'-メチルフェニル)マレイミドからなる群から選ばれる少なくとも1種の防汚剤である請求項6に記載の防汚塗料組成物。
- さらに脱水剤(D)を含む請求項1~7のいずれか一項に記載の防汚塗料組成物。
- 前記脱水剤(D)が、硫酸カルシウム、加水分解性基含有オルガノシラン、ゼオライト、アルミナ、シリカおよびオルトエステルからなる群から選ばれる少なくとも1種である請求項1~8のいずれか一項に記載の防汚塗料組成物。
- さらにロジン類(E)を含む請求項1~9のいずれか一項に記載の防汚塗料組成物。
- 1液型塗料である請求項1~10のいずれか一項に記載の防汚塗料組成物。
- 請求項1~11のいずれか一項に記載の防汚塗料組成物から形成される防汚塗膜。
- 基材と、該基材の表面に設けられた請求項12に記載の防汚塗膜とを有する防汚基材。
- 海水または真水と接触する請求項13に記載の防汚基材。
- 前記基材が、水中構造物、船舶外板または漁具である請求項14に記載の防汚基材。
- 基材の表面に、請求項1~11のいずれか一項に記載の防汚塗料組成物を塗布するかもしくは含浸させる工程と、該工程により前記基材に塗布された、もしくは含浸された前記防汚塗料を硬化させる工程とを備えるか、または
前記防汚塗料組成物から塗膜を形成し、この塗膜を硬化させて防汚塗膜を形成する工程と、前記防汚塗膜を基材に貼付する工程とを備える
防汚基材の製造方法。 - 防汚塗料組成物の貯蔵方法であって、請求項11に記載の防汚塗料組成物を容器に充填して貯蔵する貯蔵方法。
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| CN201680024467.7A CN107960090B (zh) | 2015-05-22 | 2016-05-20 | 防污涂料组合物、防污涂膜、防污基材、防污基材的制造方法以及防污涂料组合物的储藏方法 |
| US15/569,866 US10858521B2 (en) | 2015-05-22 | 2016-05-20 | Antifouling coating compositions, antifouling coating films, antifouling substrates, methods for producing antifouling substrates, and methods of storing antifouling coating compositions |
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| WO2018087287A1 (en) | 2016-11-11 | 2018-05-17 | Jotun A/S | Antifouling composition |
| WO2018123928A1 (ja) * | 2016-12-28 | 2018-07-05 | 中国塗料株式会社 | 防汚塗料組成物、防汚塗膜、防汚塗膜付き基材及びその製造方法、並びに防汚方法 |
| JP2020147712A (ja) * | 2019-03-15 | 2020-09-17 | 日東化成株式会社 | 防汚塗料組成物 |
| JP2020189447A (ja) * | 2019-05-22 | 2020-11-26 | 日東化成株式会社 | 複層防汚塗膜、該塗膜を表面に有する塗装物 |
| JP7738730B1 (ja) * | 2024-12-24 | 2025-09-12 | 中国塗料株式会社 | 積層塗膜付き基材 |
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| CN108368376B (zh) * | 2015-11-30 | 2021-01-01 | 中国涂料株式会社 | 防污涂料组合物、防污涂膜、防污基材以及该防污基材的制造方法 |
| KR102087161B1 (ko) * | 2018-02-01 | 2020-05-27 | 주식회사 케이씨씨 | 코어/쉘 구조의 방오 도료용 바인더 수지 및 이를 포함하는 방오 도료 조성물 |
| KR102544292B1 (ko) * | 2018-05-11 | 2023-06-15 | 주고꾸 도료 가부시키가이샤 | 방오 도료 조성물, 방오 도막, 방오 도막 부착 기재 및 방오 방법 |
| US12050293B2 (en) | 2018-12-19 | 2024-07-30 | Pgs Geophysical As | Medetomidine compositions having improved anti-fouling characteristics |
| JP7309857B2 (ja) * | 2019-12-06 | 2023-07-18 | アークサーダ・アー・ゲー | 防汚保護のための組成物 |
| JP7561567B2 (ja) * | 2020-10-16 | 2024-10-04 | 中国塗料株式会社 | 防汚塗料組成物 |
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| KR102651392B1 (ko) * | 2016-11-11 | 2024-03-26 | 요툰 에이/에스 | 오염방지 조성물 |
| JP7388923B2 (ja) | 2016-11-11 | 2023-11-29 | ヨトゥン アーエス | 防汚組成物 |
| KR20190087456A (ko) * | 2016-11-11 | 2019-07-24 | 요툰 에이/에스 | 오염방지 조성물 |
| JP2023089170A (ja) * | 2016-11-11 | 2023-06-27 | ヨトゥン アーエス | 防汚組成物 |
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| KR20190085995A (ko) * | 2016-12-28 | 2019-07-19 | 주고꾸 도료 가부시키가이샤 | 방오 도료 조성물, 방오 도막, 방오 도막 부착 기재 및 그의 제조방법, 및 방오방법 |
| WO2018123928A1 (ja) * | 2016-12-28 | 2018-07-05 | 中国塗料株式会社 | 防汚塗料組成物、防汚塗膜、防汚塗膜付き基材及びその製造方法、並びに防汚方法 |
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| EP3299427A1 (en) | 2018-03-28 |
| SG11201708916QA (en) | 2017-12-28 |
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| US10858521B2 (en) | 2020-12-08 |
| BR112017024616A2 (ja) | 2018-11-13 |
| KR101817487B1 (ko) | 2018-01-10 |
| CN107960090A (zh) | 2018-04-24 |
| JP6067199B1 (ja) | 2017-01-25 |
| US20180105703A1 (en) | 2018-04-19 |
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